1. Cheung ST, Huang DP, Hui AB, Lo KW, Ko CW, Tsang YS, Wong N, Whitney BM and Lee JC . (1999). Int. J. Cancer, 83, 121–126.
2. Fürstenberger G and Senn H-J . (2002). Lancet Oncol., 3, 298–302.
3. Imai S, Nishikawa J and Takada K . (1998). J. Virol., 72, 4371–4378.
4. Iwakiri D, Eizuru Y, Tokunaga M and Takada K . (2003). Cancer Res., 63, 7062–7067.
5. Kieff E and Rickinson AB . (2002). Fields Virology 4th edn. Fields BN, Knipe DM and Howley PM (eds). Lippincott-Raven Publishers: Philadelphia, pp. 2511–2573.